Page 89 - MATHEMATICS COURSE FOR SECONDARY SCHOOLS BOOK 2
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4.
5.
A clock is reading 10: 30h. The radius of the circle forming the face of the clock is 15cm. Evaluate
(a) the length of the minor arc defined by the time
(b) the area of the minor sector defined by the time
A swings from A to B through an angle of 70°. The length of the string is 120 cm. Find.
(a) the length of the arc defined by each swing from A To B.
(b) the area of the sector defined by each swing from A To B.
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